diff --git a/jena-fuseki2/jena-fuseki-docker/Dockerfile b/jena-fuseki2/jena-fuseki-docker/Dockerfile
index f947fc459cd..343fe780379 100644
--- a/jena-fuseki2/jena-fuseki-docker/Dockerfile
+++ b/jena-fuseki2/jena-fuseki-docker/Dockerfile
@@ -17,9 +17,9 @@
 
 ## This Dockefile builds a reduced footprint container.
 
-ARG JAVA_VERSION=17
+ARG JAVA_VERSION=21
 
-ARG ALPINE_VERSION=3.17.1
+ARG ALPINE_VERSION=3.21.2
 ARG JENA_VERSION=""
 
 # Internal, passed between stages.